.bg{
  margin:0px;
  width: 100%;
  height: 100%;
  background: url("~@/assets/bg1.jpg") no-repeat;
  background-size:100% 100%;
  background-attachment:fixed;
  $login-form: 200px;
  .login-form{
    position: absolute;
    top: calc((100% - 200px)/2);
    left: calc((100% - 500px)/2);
    width: 500px;
    height: $login-form;
    background:rgba(0,0,0,0.5);

    .input-text{
      width: 80%;
    }
    .login-title{
      text-align: center;
      color: white;
    }
    .el-form-item__label{
      color: white;
    }

  }
}